version 1.106, 2003/08/21 14:49:50 |
version 1.116, 2004/03/24 15:34:54 |
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udp_init() |
udp_init() |
{ |
{ |
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#ifdef INET |
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in_pcbinit(&udbtable, udbhashsize, udbhashsize); |
in_pcbinit(&udbtable, udbhashsize, udbhashsize); |
#endif |
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#ifdef UDP_CSUM_COUNTERS |
#ifdef UDP_CSUM_COUNTERS |
evcnt_attach_static(&udp_hwcsum_bad); |
evcnt_attach_static(&udp_hwcsum_bad); |
Line 272 udp_input(m, va_alist) |
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Line 270 udp_input(m, va_alist) |
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*/ |
*/ |
if (uh->uh_sum) { |
if (uh->uh_sum) { |
switch (m->m_pkthdr.csum_flags & |
switch (m->m_pkthdr.csum_flags & |
((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv4) | |
((m->m_pkthdr.rcvif->if_csum_flags_rx & M_CSUM_UDPv4) | |
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
M_CSUM_TCP_UDP_BAD | M_CSUM_DATA)) { |
case M_CSUM_UDPv4|M_CSUM_TCP_UDP_BAD: |
case M_CSUM_UDPv4|M_CSUM_TCP_UDP_BAD: |
UDP_CSUM_COUNTER_INCR(&udp_hwcsum_bad); |
UDP_CSUM_COUNTER_INCR(&udp_hwcsum_bad); |
goto badcsum; |
goto badcsum; |
Line 282 udp_input(m, va_alist) |
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Line 280 udp_input(m, va_alist) |
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u_int32_t hw_csum = m->m_pkthdr.csum_data; |
u_int32_t hw_csum = m->m_pkthdr.csum_data; |
UDP_CSUM_COUNTER_INCR(&udp_hwcsum_data); |
UDP_CSUM_COUNTER_INCR(&udp_hwcsum_data); |
if (m->m_pkthdr.csum_flags & M_CSUM_NO_PSEUDOHDR) |
if (m->m_pkthdr.csum_flags & M_CSUM_NO_PSEUDOHDR) |
hw_csum = in_cksum_phdr(ip->ip_src.s_addr, ip->ip_dst.s_addr, |
hw_csum = in_cksum_phdr(ip->ip_src.s_addr, |
htonl(hw_csum + ntohs(ip->ip_len) + IPPROTO_UDP)); |
ip->ip_dst.s_addr, |
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htons(hw_csum + len + IPPROTO_UDP)); |
if ((hw_csum ^ 0xffff) != 0) |
if ((hw_csum ^ 0xffff) != 0) |
goto badcsum; |
goto badcsum; |
break; |
break; |
Line 502 udp4_sendup(m, off, src, so) |
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Line 501 udp4_sendup(m, off, src, so) |
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/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
if (so != NULL && ipsec4_in_reject_so(m, so)) { |
ipsecstat.in_polvio++; |
ipsecstat.in_polvio++; |
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if ((n = m_copy(m, 0, M_COPYALL)) != NULL) |
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icmp_error(n, ICMP_UNREACH, ICMP_UNREACH_ADMIN_PROHIBIT, |
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0, 0); |
return; |
return; |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
Line 548 udp6_sendup(m, off, src, so) |
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Line 550 udp6_sendup(m, off, src, so) |
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/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
if (so != NULL && ipsec6_in_reject_so(m, so)) { |
ipsec6stat.in_polvio++; |
ipsec6stat.in_polvio++; |
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if ((n = m_copy(m, 0, M_COPYALL)) != NULL) |
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icmp6_error(n, ICMP6_DST_UNREACH, |
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ICMP6_DST_UNREACH_ADMIN, 0); |
return; |
return; |
} |
} |
#endif /*IPSEC*/ |
#endif /*IPSEC*/ |
Line 582 udp4_realinput(src, dst, m, off) |
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Line 587 udp4_realinput(src, dst, m, off) |
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u_int16_t *sport, *dport; |
u_int16_t *sport, *dport; |
int rcvcnt; |
int rcvcnt; |
struct in_addr *src4, *dst4; |
struct in_addr *src4, *dst4; |
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struct inpcb_hdr *inph; |
struct inpcb *inp; |
struct inpcb *inp; |
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rcvcnt = 0; |
rcvcnt = 0; |
Line 620 udp4_realinput(src, dst, m, off) |
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Line 626 udp4_realinput(src, dst, m, off) |
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/* |
/* |
* Locate pcb(s) for datagram. |
* Locate pcb(s) for datagram. |
*/ |
*/ |
CIRCLEQ_FOREACH(inp, &udbtable.inpt_queue, inp_queue) { |
CIRCLEQ_FOREACH(inph, &udbtable.inpt_queue, inph_queue) { |
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inp = (struct inpcb *)inph; |
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if (inp->inp_af != AF_INET) |
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continue; |
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if (inp->inp_lport != *dport) |
if (inp->inp_lport != *dport) |
continue; |
continue; |
if (!in_nullhost(inp->inp_laddr)) { |
if (!in_nullhost(inp->inp_laddr)) { |
Line 683 udp6_realinput(af, src, dst, m, off) |
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Line 693 udp6_realinput(af, src, dst, m, off) |
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int rcvcnt; |
int rcvcnt; |
struct in6_addr src6, dst6; |
struct in6_addr src6, dst6; |
const struct in_addr *dst4; |
const struct in_addr *dst4; |
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struct inpcb_hdr *inph; |
struct in6pcb *in6p; |
struct in6pcb *in6p; |
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rcvcnt = 0; |
rcvcnt = 0; |
Line 724 udp6_realinput(af, src, dst, m, off) |
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Line 735 udp6_realinput(af, src, dst, m, off) |
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/* |
/* |
* Locate pcb(s) for datagram. |
* Locate pcb(s) for datagram. |
*/ |
*/ |
for (in6p = udb6.in6p_next; in6p != &udb6; |
CIRCLEQ_FOREACH(inph, &udbtable.inpt_queue, inph_queue) { |
in6p = in6p->in6p_next) { |
in6p = (struct in6pcb *)inph; |
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if (in6p->in6p_af != AF_INET6) |
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continue; |
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if (in6p->in6p_lport != dport) |
if (in6p->in6p_lport != dport) |
continue; |
continue; |
if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) { |
if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr)) { |
Line 766 udp6_realinput(af, src, dst, m, off) |
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Line 780 udp6_realinput(af, src, dst, m, off) |
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/* |
/* |
* Locate pcb for datagram. |
* Locate pcb for datagram. |
*/ |
*/ |
in6p = in6_pcblookup_connect(&udb6, &src6, sport, |
in6p = in6_pcblookup_connect(&udbtable, &src6, sport, |
&dst6, dport, 0); |
&dst6, dport, 0); |
if (in6p == 0) { |
if (in6p == 0) { |
++udpstat.udps_pcbhashmiss; |
++udpstat.udps_pcbhashmiss; |
in6p = in6_pcblookup_bind(&udb6, &dst6, dport, 0); |
in6p = in6_pcblookup_bind(&udbtable, &dst6, dport, 0); |
if (in6p == 0) |
if (in6p == 0) |
return rcvcnt; |
return rcvcnt; |
} |
} |
Line 906 udp_output(m, va_alist) |
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Line 920 udp_output(m, va_alist) |
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((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
((struct ip *)ui)->ip_tos = inp->inp_ip.ip_tos; /* XXX */ |
udpstat.udps_opackets++; |
udpstat.udps_opackets++; |
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#ifdef IPSEC |
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if (ipsec_setsocket(m, inp->inp_socket) != 0) { |
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error = ENOBUFS; |
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goto release; |
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} |
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#endif /*IPSEC*/ |
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return (ip_output(m, inp->inp_options, &inp->inp_route, |
return (ip_output(m, inp->inp_options, &inp->inp_route, |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
inp->inp_socket->so_options & (SO_DONTROUTE | SO_BROADCAST), |
inp->inp_moptions, inp)); |
inp->inp_moptions, inp->inp_socket)); |
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release: |
release: |
m_freem(m); |
m_freem(m); |
Line 1016 udp_usrreq(so, req, m, nam, control, p) |
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Line 1023 udp_usrreq(so, req, m, nam, control, p) |
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so->so_state &= ~SS_ISCONNECTED; /* XXX */ |
so->so_state &= ~SS_ISCONNECTED; /* XXX */ |
in_pcbdisconnect(inp); |
in_pcbdisconnect(inp); |
inp->inp_laddr = zeroin_addr; /* XXX */ |
inp->inp_laddr = zeroin_addr; /* XXX */ |
if (inp->inp_ia != NULL) { |
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LIST_REMOVE(inp, inp_ialink); |
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IFAFREE(&inp->inp_ia->ia_ifa); |
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inp->inp_ia = NULL; |
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} |
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in_pcbstate(inp, INP_BOUND); /* XXX */ |
in_pcbstate(inp, INP_BOUND); /* XXX */ |
break; |
break; |
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Line 1065 udp_usrreq(so, req, m, nam, control, p) |
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Line 1067 udp_usrreq(so, req, m, nam, control, p) |
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in_pcbstate(inp, INP_BOUND); /* XXX */ |
in_pcbstate(inp, INP_BOUND); /* XXX */ |
} |
} |
die: |
die: |
if (inp->inp_ia != NULL && in_nullhost(inp->inp_laddr)) { |
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LIST_REMOVE(inp, inp_ialink); |
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IFAFREE(&inp->inp_ia->ia_ifa); |
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inp->inp_ia = NULL; |
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} |
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if (m) |
if (m) |
m_freem(m); |
m_freem(m); |
} |
} |
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/* |
/* |
* Sysctl for udp variables. |
* Sysctl for udp variables. |
*/ |
*/ |
int |
SYSCTL_SETUP(sysctl_net_inet_udp_setup, "sysctl net.inet.udp subtree setup") |
udp_sysctl(name, namelen, oldp, oldlenp, newp, newlen) |
{ |
int *name; |
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u_int namelen; |
sysctl_createv(clog, 0, NULL, NULL, |
void *oldp; |
CTLFLAG_PERMANENT, |
size_t *oldlenp; |
CTLTYPE_NODE, "net", NULL, |
void *newp; |
NULL, 0, NULL, 0, |
size_t newlen; |
CTL_NET, CTL_EOL); |
{ |
sysctl_createv(clog, 0, NULL, NULL, |
/* All sysctl names at this level are terminal. */ |
CTLFLAG_PERMANENT, |
if (namelen != 1) |
CTLTYPE_NODE, "inet", NULL, |
return (ENOTDIR); |
NULL, 0, NULL, 0, |
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CTL_NET, PF_INET, CTL_EOL); |
switch (name[0]) { |
sysctl_createv(clog, 0, NULL, NULL, |
case UDPCTL_CHECKSUM: |
CTLFLAG_PERMANENT, |
return (sysctl_int(oldp, oldlenp, newp, newlen, &udpcksum)); |
CTLTYPE_NODE, "udp", NULL, |
case UDPCTL_SENDSPACE: |
NULL, 0, NULL, 0, |
return (sysctl_int(oldp, oldlenp, newp, newlen, |
CTL_NET, PF_INET, IPPROTO_UDP, CTL_EOL); |
&udp_sendspace)); |
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case UDPCTL_RECVSPACE: |
sysctl_createv(clog, 0, NULL, NULL, |
return (sysctl_int(oldp, oldlenp, newp, newlen, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
&udp_recvspace)); |
CTLTYPE_INT, "checksum", NULL, |
default: |
NULL, 0, &udpcksum, 0, |
return (ENOPROTOOPT); |
CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_CHECKSUM, |
} |
CTL_EOL); |
/* NOTREACHED */ |
sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "sendspace", NULL, |
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NULL, 0, &udp_sendspace, 0, |
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CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_SENDSPACE, |
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CTL_EOL); |
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sysctl_createv(clog, 0, NULL, NULL, |
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CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
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CTLTYPE_INT, "recvspace", NULL, |
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NULL, 0, &udp_recvspace, 0, |
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CTL_NET, PF_INET, IPPROTO_UDP, UDPCTL_RECVSPACE, |
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CTL_EOL); |
} |
} |
#endif |
#endif |